curprev12:3112:31, 18 July 2017 36.81.202.173talk 8,377 bytes−101 →Introduction: == Introduction == A SID is an air traffic control coded departure procedure that has been established at certain airports to simplify clearance delivery procedures. SIDs are supposed to be easy to understand and, if possible, lim...undoTags: references removedMobile editMobile web edit